CN103660956B - The transportation system of coal mining - Google Patents
The transportation system of coal mining Download PDFInfo
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- CN103660956B CN103660956B CN201310750150.XA CN201310750150A CN103660956B CN 103660956 B CN103660956 B CN 103660956B CN 201310750150 A CN201310750150 A CN 201310750150A CN 103660956 B CN103660956 B CN 103660956B
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- contact net
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Abstract
The present invention proposes the transportation system of a kind of coal mining, and the transportation system of this coal mining includes: mains-powered apparatus, is used for providing electric energy；The contact net electrically connected with described mains-powered apparatus；With the trackless mine car that described contact net flexible lamp is connected, described trackless mine car includes the electric driver driving its walking；Wherein, described contact net is disposed about along the predetermined running track of described trackless mine car.The present invention is by making the diesel driven of trackless mine car into driven by power, and the predetermined running track along trackless mine car is disposed about contact net, provides electric power by contact net to trackless mine car, thus reducing oil consumption, reduces environmental pollution.
Description
Technical Field
The invention relates to a transportation system in coal mining transportation, in particular to an energy-saving transportation system for coal mining.
Background
The existing transportation mode of coal mine open pit mining generally adopts rail transportation or mining vehicle transportation, wherein, the mining vehicle is widely applied due to good maneuvering characteristics and convenient transportation management and control. However, the whole body materials of the existing mining vehicle are all iron bodies and carriages, the self weight is very large, the driving mode is also driven by a general diesel engine, the oil consumption is high, the cost of open-pit mining transportation is very high, and the pollution is serious.
Along with the increasing serious environmental pollution, the energy conservation and environmental protection are more and more emphasized, but the existing mining vehicle has larger oil consumption, high cost and environmental pollution, is not beneficial to environmental protection, and increases the investment for controlling the environmental pollution. Therefore, the technical problems of high oil consumption, high cost and environmental pollution of the existing mining vehicle in coal mine transportation need to be solved urgently.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide a transportation system for coal mining, and aims to solve the technical problems of high oil consumption, high cost and environmental pollution of transportation of mining vehicles in the conventional coal mining transportation system.
The invention provides a coal mining transportation system, comprising:
the power supply equipment is used for supplying electric energy;
the contact net is electrically connected with the power supply equipment;
and the trackless mine car is movably and electrically connected with the contact net and comprises an electric driving device for driving the trackless mine car to travel.
Furthermore, a current collecting device is arranged between the trackless mine car and the contact net.
Further, the current collecting device includes:
the pantograph is arranged on the trackless mine car and is movably and electrically connected with the contact net; or,
a trolley pole arranged on the trackless mine car, the trolley pole is movably and electrically connected with the contact net through a sliding block, or,
the current collection connecting wire is arranged on the trackless mine car and is electrically connected with the contact network through the pulley assembly.
Further, the overhead line system comprises a telegraph pole arranged near the preset running track of the trackless tramcar;
an electric wire is hung on the top of the telegraph pole;
the electric wire is electrically connected with the power supply equipment, and the trackless mine car is movably connected with the electric wire.
Furthermore, a lead frame connected with the electric wire is hung on the top of the telegraph pole;
the lead frame is provided with at least four slide rails:
the wire rack is provided with a left slide rail, a right slide rail, a first top slide rail and a second top slide rail, wherein the left slide rail and the right slide rail are arranged on the left side and the right side of the wire rack respectively and provided with arc-shaped bulges, the first top slide rail is arranged at the top of the wire rack and provided with arc-shaped bulges, and the second top slide rail is arranged at the top of the wire rack.
Further, the pulley assembly comprises a pulley frame, and a left pulley, a right pulley, a first top pulley and a second top pulley which are arranged on the pulley frame; wherein,
the left pulley is connected with the left sliding rail in a sliding manner;
the right pulley is connected with the right sliding rail in a sliding manner;
the first top pulley is connected with the first top sliding rail in a sliding manner;
the second top pulley is connected with the second top sliding rail in a sliding mode.
Furthermore, an energy accumulator electrically connected with the electric driving device is arranged in the trackless mine car;
the energy accumulator is movably and electrically connected with the contact net.
Furthermore, a diesel driving device is also arranged in the trackless mine car;
further, the trackless tramcar body is a carbon fiber body.
Further, the wires are arranged in a closed loop configuration along a predetermined trajectory of travel of the trackless mine car.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a coal mining transportation system, which comprises: the power supply equipment is used for supplying electric energy; the contact net is electrically connected with the power supply equipment; the trackless tramcar is movably and electrically connected with the contact net and comprises an electric driving device for driving the trackless tramcar to travel; and the contact net is arranged near the preset running track of the trackless mine car. The diesel drive of the trackless mine car is changed into the electric drive, the contact net is arranged near the preset running track of the trackless mine car, and the electric energy power is provided for the trackless mine car through the contact net, so that the oil consumption is reduced, and the environmental pollution is reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a trackless mining vehicle using a pantograph to access a catenary in accordance with a first embodiment of the present invention;
FIG. 2 is a block diagram schematically illustrating another view of FIG. 1;
FIG. 3 is a schematic structural view of a trackless tramcar according to a second embodiment of the present invention, showing the connection between a current collecting connection wire and a sheave assembly connected to a catenary;
fig. 4 is an enlarged view of a portion of the pulley assembly of fig. 3 connected to a leadframe with an electrical wire.
Description of reference numerals:
1. a power supply device; 2. a trackless mine car; 3. a utility pole; 4. an electric wire; 5. a pantograph; 6. a connecting wire; 61. a lead frame; 62. a left slide rail; 63. a right slide rail; 64. a first top slide rail; 65. a second top slide rail; 7. a current collecting connecting wire; 8. a sheave assembly; 81. a pulley yoke; 82. a left pulley; 83. a right pulley; 84. a first top pulley; 85. a second top pulley.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a transportation system for coal mining, which is provided with an electrically-driven trackless mine car provided with an electric energy contact net, wherein an electrically-driven device arranged in the trackless mine car is movably and electrically connected with the electric energy contact net, and the coal mine is transported by being driven by the electric energy in the contact net. Therefore, the transportation system for coal mining provided by the embodiment of the invention is driven by electric energy, does not need to consume oil, is energy-saving and environment-friendly, has low cost and is convenient for unified management.
Example one
Referring to fig. 1 and 2, the transportation system for coal mining of the present embodiment includes: the device comprises a power supply device 1, a contact net and a trackless mine car 2, wherein the power supply device is used for providing electric energy; the power supply equipment is used for receiving, converting and distributing electric energy and comprises a line disconnecting switch, a transformer, a circuit breaker and the like, and the power supply can be direct current or alternating current; the contact net is electrically connected with the power supply equipment 1, and the trackless mine car 2 is movably and electrically connected with the contact net; the catenary is positioned along the vicinity of the predetermined trajectory of the trackless mine car 2 to facilitate power supply to the trackless mine car 2 during operation.
Trackless mine car 2 is changed into the electric energy drive by diesel oil drive, be provided with electric drive arrangement in, load the energy storage ware (not shown in the figure) in trackless mine car 2, the energy storage ware can select to be ultracapacitor system, trackless mine car 2's energy storage ware passes through this contact net of current collector activity electricity connection, so that this trackless mine car 2 is when being connected to the contact net that has the electricity, the electric energy passes through the wire and transmits for trackless mine car 2, provide the electric energy for trackless mine car 2, simultaneously charge for the energy storage ware, under the circumstances that the contact net electroless or trackless mine car 2 and contact net break off, trackless mine car 2 can rely on the electric energy drive trackless mine car work of energy storage ware.
In an embodiment of the invention, as shown in fig. 1 and 2, the current collecting grid comprises a utility pole 3 arranged along the vicinity of the predetermined running track of the trackless tramcar 2; the top of the telegraph pole 3 hoists the electric wire 4 through a connecting rod and a connecting wire 6, the connecting wire 6 can be a steel wire rope, and the end part of the connecting wire 6 is in insulated connection with the electric wire; the power supply unit 1 is electrically connected to the electrical wires 4, and the trackless tramcar 2 is movably electrically connected to the electrical wires 4.
As shown in FIGS. 1 and 2, the trackless tramcar 2 is in movable electrical connection with the electrical wires 4 via a current collector, and in a preferred embodiment of the invention, the trackless tramcar 2 is in movable electrical connection with the electrical wires 4 via a pantograph 5. The connection mode is that the top of the trackless mine car is connected with a pantograph 5, one end of the pantograph 5 is electrically connected to an electric driving device of the trackless mine car 2, and the other end of the pantograph is movably and electrically connected with an electric wire 4 of a contact net.
The structural principle of the first embodiment is as follows: as shown in fig. 1 and 2, the transportation system for coal mining mainly comprises a power supply device 1, a contact net (an electric wire 4 and a telegraph pole 3), a trackless mine car 2 and a current collecting device. The power supply equipment 1 is used for receiving, converting and distributing electric energy and comprises a line disconnecting switch, a transformer, a circuit breaker and the like, and the power supply can be direct current or alternating current; the current collecting device is selected to be a pantograph type; the trackless mine car 2 is loaded with an energy accumulator (a super capacitor), when a contact network is electrified, electric energy is transmitted to a current collecting device through a wire 4 and then transmitted to an electric driving device of the trackless mine car 2, so that the trackless mine car 2 is pulled to move, and at the moment, the trackless mine car is pulled by external electric energy and a storage battery is charged; when the contact network is in no electricity or runs in a non-electrified section, the trackless mine car 2 is driven by the vehicle-mounted storage battery. In order to reduce the power consumption of the trackless mine car 2, the body of the trackless mine car 2 is made of high-strength carbon fiber materials.
Example two
Referring to fig. 3 and 4, the second embodiment of the present invention differs from the first embodiment in that the current collector of the trackless tramcar includes a current collector cable and a sheave assembly connected to the top of the trackless tramcar.
As shown in fig. 3 and 4, a collector connecting wire 2 is connected to the trackless tramcar 2, and a collector connecting wire 7 is electrically connected to the electric wire 4 of the overhead line system through a pulley assembly 8. The structure of the contact net is different from that of the first embodiment, and the contact net comprises a telegraph pole 3 and an electric wire 4, and also comprises a lead frame 61 which is hung on the top of the telegraph pole 3 and is used for accommodating the electric wire 4.
As shown in fig. 4, the lead frame 61 is provided with at least four sliding rails: the setting has convex left slide rail 62 of circular arc and sets up and has convex right slide rail 63 on the lead frame 61 right side in the lead frame 61 left side for left and right side direction and limiting displacement, the setting has convex first top slide rail 64 of circular arc at the lead frame 61 top, is used for top direction and limiting displacement, and the setting is in simultaneously conductor frame 61 top is settled the second top slide rail 65 of electric wire 4 is used for top direction, spacing and conduction electric energy effect. The slide rails also bear the weight of the pulley assembly 8 and the collector connection 7. To ensure that the pulley assembly 8 is securely and slidably connected to the electrical cord 4.
The pulley assembly 8 is constructed as follows: as shown in fig. 4, the pulley assembly 8 includes a pulley frame 81, and a left pulley 82, a right pulley 83, a first top pulley 84, and a second top pulley 85 provided on the pulley frame 81; the left pulley 82 is connected with the left slide rail 62 in a sliding way; the right pulley 83 is connected with the right slide rail 63 in a sliding way; the first top pulley 84 is slidably connected with the first top slide rail 64; the second top pulley 85 is slidably connected to the second top slide rail 65. The stability of the connection is increased by using a multi-orientation pulley and rail combination and positioning the wires on the second top rail 65 and using the second top pulley 85 to mate with and removably electrically connect with it.
The structural principle of the second embodiment is as follows: as shown in figures 3 and 4, the trackless tramcar 2 is connected with a current collecting connecting wire 7, and the current collecting connecting wire 7 is movably and electrically connected with an electric wire 4 of a contact net through a pulley assembly 8. The contact net mainly comprises a telegraph pole 3, an electric wire 4 and a lead frame 61, and the pulley assembly comprises a pulley frame 81 and a plurality of pulleys (a left pulley 82, a right pulley 83, a first top pulley 84 and a second top pulley 85). The top of the telegraph pole 3 is provided with a connecting wire 6 through a prefabricated support frame, the connecting wire 6 is used for hoisting the lead frame 61, the electric wire 4 is arranged in the lead frame 61, the pulley component 8 and the electric wire 4 form a moving pair, the pulley component 8 is electrically connected with the current collection connecting wire 7, and the current collection connecting wire 7 is electrically connected with the trackless mine car 2. The electric energy is transmitted to the pulley assembly 8 through the electric wire 4, then transmitted to the current collecting connecting wire 7 and finally transmitted to the trackless mine car 2, so that the trackless mine car 2 is driven to move. During the movement, the trackless mine car 2, the current collecting connecting wire 7 and the pulley assembly 8 move simultaneously. The pulley of the pulley assembly 8 rolls on the lead frame 61 provided with the electric wire 4, the lead frame 61 bears the gravity of the pulley assembly 8 and the current collecting connecting wire 7, and meanwhile, the lead frame 61 ensures that the pulley frame 81 is in good contact with the electric wire 4 through a plurality of sliding rails (a left sliding rail 62, a right sliding rail 63, a first top sliding rail 64 and a second top sliding rail 65) of the lead frame 61, so that the stability of power supply to the trackless tramcar 2 is ensured. Meanwhile, in order to reduce the power consumption of the trackless mine car 2, the body of the trackless mine car 2 is made of high-strength carbon fiber materials.
The left pulley 82 and the right pulley 83 on the pulley assembly 8 may be mainly used for guiding and reducing the friction between the whole pulley assembly 8 and the lead frame 61, the first top pulley 84 on the upper side of the pulley assembly 8 may be mainly used for bearing the gravity of the pulley assembly 8 and the current collecting and connecting wire 7, and the sliding contact with the lead on the second top pulley 85 on the pulley assembly 8 is mainly used for conducting electricity.
The current collecting device selected in other embodiments of the invention can also be a trolley pole sliding block type, and the mode can be set according to the first embodiment, and the trolley pole is arranged on the trackless mine car 2 and is movably and electrically connected with a contact net through the sliding block. The embodiment of the invention can be realized by referring to a trolley pole slider type in the existing electric vehicle driving, and the details are not repeated.
The trackless mine car in the embodiment of the invention can also adopt double-energy traction drive. The electric driving device of the trackless mine car in the above specific embodiment is changed into a dual-energy driving device, namely a diesel driving device and an electric driving device, and a diesel engine is arranged on the trackless mine car. When the contact net is electrified, the mine car is mainly drawn by electric power, and at the moment, the electric energy is transmitted to the current collecting device from the power grid and then transmitted to the trackless mine car, so that the mine car is driven to move; when the power grid is not electrified or the trackless tramcar is in a non-electrified section, the trackless tramcar is driven by the diesel engine.
In the embodiment of the invention, the telegraph pole 3 of the power collection grid is arranged along the preset running track of the trackless mine car 2, the electric wire 4 on the telegraph pole 3 is also arranged along the preset running track of the trackless mine car 2, preferably, the erected electric wire 4 is arranged into a closed loop, the trackless mine car 2 is supplied with power through the electric wire 4, and the trackless mine car 2 is charged, transported and unloaded with coal along the closed loop.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A coal mining transportation system, comprising:
a power supply device (1) for supplying electrical energy;
the contact net is electrically connected with the power supply equipment (1);
the trackless mine car (2) is movably and electrically connected with the contact net, and the trackless mine car (2) comprises an electric driving device for driving the trackless mine car to travel;
a current collecting device is arranged between the trackless tramcar (2) and the contact network;
the current collecting device includes:
the trolley pole is arranged on the trackless mine car (2), and the trolley pole is movably and electrically connected with the contact net through a sliding block; or,
the current collection connecting wire (7) is arranged on the trackless tramcar (2), and the current collection connecting wire (7) is electrically connected with the contact net through a pulley assembly (8);
the contact net includes: a telegraph pole (3) arranged near the preset running track of the trackless tramcar (2);
an electric wire (4) is hung on the top of the telegraph pole (3);
the electric wire (4) is electrically connected with the power supply equipment (1), and the trackless mine car (2) is movably connected with the electric wire (4);
a lead frame (61) connected with the electric wire (4) is also hung on the top of the telegraph pole (3);
the lead frame (61) is provided with at least four sliding rails:
the left sliding rail (62) and the right sliding rail (62) are respectively arranged on the left side and the right side of the lead frame (61) and provided with arc-shaped protrusions, the first top sliding rail (63) is arranged on the top of the lead frame (61) and provided with the arc-shaped protrusions, and the second top sliding rail (65) is arranged on the top of the lead frame (61) and used for accommodating the electric wire (4);
the primary purpose of the first top pulley (84) on the upper side of the pulley assembly (8) can be to bear the gravity of the pulley assembly (8) and the current collecting connecting wire (7), and the sliding contact with the conducting wire on the second top pulley (85) on the pulley assembly (8) is mainly used for conducting electricity.
2. A coal mining transportation system according to claim 1, wherein the sheave assembly (8) comprises: the pulley frame (81) is arranged on the base, and the pulley frame (81) comprises a left pulley (82), a right pulley (83), a first top pulley (84) and a second top pulley (85) which are arranged on the pulley frame (81); wherein,
the left pulley (82) is connected with the left sliding rail (62) in a sliding manner;
the right pulley (83) is connected with the right sliding rail (63) in a sliding manner;
the first top pulley (84) is in sliding connection with the first top sliding rail (64);
the second top pulley (85) is connected with the second top sliding rail (65) in a sliding mode.
3. A coal mining transportation system according to any of the claims 1-2, characterized in that an accumulator electrically connected to the electric drive is provided in the trackless mine car (2);
the energy accumulator is movably and electrically connected with the contact net.
4. A coal mining transportation system according to claim 3, characterized in that a diesel powered drive is also provided in the trackless mine car (2).
5. A coal mining transportation system according to claim 4, characterized in that the trackless tramcar (2) body is a carbon fibre body.
6. A coal mining transportation system according to claim 1, characterized in that the electric wires (4) are arranged in a closed loop configuration along a predetermined trajectory of travel of the trackless mine car (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310750150.XA CN103660956B (en) | 2013-12-31 | 2013-12-31 | The transportation system of coal mining |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310750150.XA CN103660956B (en) | 2013-12-31 | 2013-12-31 | The transportation system of coal mining |
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| Publication Number | Publication Date |
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| CN103660956A CN103660956A (en) | 2014-03-26 |
| CN103660956B true CN103660956B (en) | 2016-07-13 |
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| CN201310750150.XA Active CN103660956B (en) | 2013-12-31 | 2013-12-31 | The transportation system of coal mining |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104555307B (en) * | 2014-11-27 | 2017-03-29 | 南京熊猫电子股份有限公司 | A kind of high-altitude handling system |
| CN106032110B (en) * | 2015-03-20 | 2019-02-15 | 中车兰州机车有限公司 | Industrial-mineral electric locomotive power supply unit |
| CN110014852B (en) * | 2017-10-09 | 2021-09-24 | 株洲中车时代电气股份有限公司 | Pure electric transmission system for non-road vehicles |
| CN109878338B (en) * | 2017-12-06 | 2022-03-08 | 株洲中车时代电气股份有限公司 | Off-highway vehicle electric transmission method and system |
| CN109204000A (en) * | 2018-09-30 | 2019-01-15 | 北京科技大学 | A kind of pantograph especially of stringing formula pure electric vehicle underground carry scraper stringing system |
| CN109537661B (en) * | 2019-01-16 | 2020-01-03 | 山东德曼机械有限公司 | Slide wire type electric loader |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5464082A (en) * | 1993-08-03 | 1995-11-07 | Young; Peter Y. S. | Electrical vehicle transportation system |
| CN1283493C (en) * | 2003-04-02 | 2006-11-08 | 李东林 | Railless electrically driven vehicle mults set wire line power supply system and its power supply method |
| CN201745448U (en) * | 2010-06-08 | 2011-02-16 | 王成忠 | Centralized power supply system for achieving electric drive of oil-electric dual-power automobile |
| JP5767851B2 (en) * | 2011-05-10 | 2015-08-19 | 株式会社小松製作所 | Transport vehicle with current collector |
| RU2017115314A (en) * | 2012-01-31 | 2019-01-28 | ДЖОЙ ГЛОБАЛ АНДЕРГРАУНД МАЙНИНГ ЭлЭлСи | AIR FOOD NETWORK FOR MOBILE MINING MACHINES |
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